Mechanical movement



D,l WINEGRDEN.

MECHANICAL MOVEMENT.

APPucATloN FILED sPT.15. 1919.

Vunirsi) STATES PATENT ori-ica.

DANIEL WINEGAR-DEN,` OF TULSA, OKLAHOMA.

MECHANICAL MOVEMENT.

To @ZZ whom t may concern.'

Be it lmown that I, DANIEL WTNEGARDEN a citizen of the United States,residing at Tulsa, in the county of Tulsa and State of Oklahoma, haveinvented certain new and useful Improvements in Mechanical Movements;and I dodeclare the following to be a full, clear, and exact descriptionof the invention, such as will enable others skilled in the art to whichit appertains to make and use the same. Y

This invention relates to mechanical movements.

One of the objects of this invention is to provide a strong, durable andcompact device of comparatively simple construction that is useful as apower transmission mechanism in connection with bicycles, automo- Ybiles and various other machines;

Other objects and advantages may become apparent to persons who read thefollowing details of description in connection with the accompanyingdrawings, in which:

Figure 1 is an elevation of my improved mechanical movement;

Fig. 2 is a sectional view along the line 2 2 of Fig. l; c

Fig. 3 is an enlarged sectional view along the line 3 3 of Fig. l; and

Fig. 4 is an enlarged fragmental sectional detail view.

Referring to these drawings in detail, in which similar referencecharacters correspond with similar parts throughout the several views,the working parts, hereinafter described, are supported by a frame 5which is provided with bearings 6, 7, 8, 9 and and which is alsoprovided with guides 11 at opposite sides of the frame.

A driving shaft 12 and a driven shaft 13 are rotatable in the bearings 6and 7 respectively, and the transmission mechanism through themedium ofwhich the shaft 12 drives the shaft 13 comprises a pair of gear wheels14 xedly mounted on the shaft 13, the latter being rotatable in thebearings 8; a pair of shafts 15 journaled in the bearings 8 and 9 andeach provided with a helical element 16; a pair of gear wheels 17 eachtixedly secured on one of the shafts 15 and meshing with one of the gearwheels 14; a pair of reciprocatory rack members 18 each comprising aseries of rack teeth 19, a series of rack teeth 20, a spring pressedpawl 21 and a guide element 22; a pair of gear segments or mutilatedgears 23 tixedly secured Specification of Letters Patent. v Patented N0VApplication filed September 15, 1919. Serial No. 323,759.

in and out of mesh with the racks and a connecting member or gear wheel24 which is continually in mesh with both racks 19 of the pair, thiswheel being journaled in the bearing 10.

The reciprocatory elements 18 are movable longitudinally of the rods orworms 15 and are held against rotary movement b means of the guideelements 11 and 22, the

rod being slidable in rectilinear grooves ofl the guides 11.

The operation of the vdevice is as follows:

TWhen the shaft 12 is rotatedby means of a pulleyor otheractuatingelement, one of the gear segments 23eiigages a correspondingreciprocatory element 18v andmoves it along thercorresponding shaft orworin 16, and` during this movement the springpressed pawl 21 cooperateswith the adjacent helical rib 16 soy as to turn this shaft and thecorresponding wheels 17 and 14, thereby rotating the driven shaft 13 ina predetermined ment g of the said reciprocatory element, the wheel 24is rotated, and its rotation movesthe other reciprocatory elementy invthe opposite direction, this movement being permitted by reason fof themutilated or toothless portion of the corresponding gear 23 being towardthe corresponding rack-20. lll/Then the second or upwardly movingelement 18 has reached its uppermost position, the relation of the gearwheels 23 is changed so that the gear teeth of the uppermost inembers 18are now engaged by the gear teeth on the corresponding segment 23 whilethe gear teeth of the lowermost element 18 are released fromyengagement'with the corresponding element 23; and now the uppermostelement 18 is moved downward, and its odownward movement reverses themovement of the wheel 24 which, in turn, reverses the movement of thelowermost element 18. The foregoing operation is successively repeatedso long as'the driving shaft12 continues' to rotate, and the elements13, 14, 15 and 17 are thereby continually rotated. In order to allow theelements 18 the ascending motion without affecting the movement of theshaft or worm 15, the pawls 21 are provided with inclined surfaces whichallow the elements 18 to pass over the helical ribs 16; but the pawls 21do not slide over .the helical ribs 16 during the downward moveon thedriving shaft 12 and adapted yto be direction. During this movement ofthe elements 18, but slide along 'these ribs and cause Vthem to turnvthe a pair of gear Wheels mounted on the-driven" shaft, a pair of gearWheels meshing the first said pair, a lp'a'ir of'ro'tary Shafts" eachcarrying one of the gear Wheele` ofthe second said pair, helicalelements on said.`V` pair of shafts, rec-iprocatory elements`y co-loperative With said helical elemente vffrrfefL iectin'g rotation of saidpair of Shafts, gear-- elements carried by said driving shaft arid"Voperable to' move Said reciprcatory zele-- ments in one direction, andmeans connect-p` ing said reciprocatory elementstogether in l suchrelation Athatthe'movement of one'o'f them in said direction'efec'tsmovement ofthe other oneof them in' the tion. v Y' Y 2. A mechanicalmovement comprising a rotary driving shaft, a rotary drivenshaft,

opposa@ direqa pair of gear Wheelsfixedlymounted' on'tlie"V drivenshaft, a pair of gear wheels' meshing with lthe first said pair,- a pairofro'tary shafts each fixedly ,secured toone of the gear Wheels ofthesecond said pair, .helical elemen'tseonv said pair of shafts,reciprocatory elementsypavvls'carried by'Sa-id recipro"- V catoryelements and cooperative With said helical'l elementsV for effectingrotation of said pair of Shafts, gear elements carried by said drivingshaft and operable to move said reciprocatory elements in one direction,and j meansVV connecting said reciprocatory elef ments together in suchrelation that the movement of 'one of them in said direction effectsmovement of the other one of them in the opposite direction'.

3'.; mechanical movement fc'omprising a rotary :driving shaft, a rotarydriven shaft,

a pair ofgear'vvhe'el monntfed' on the driven.'

shaft/,fah'pair of gear Wheel ineliing` tvithj theffir'st'said pair, aApair of' rotary Shafts" eaclr carrying one of the' gearvvheels,"` `ofthe second, saidV pair,- lielical elements on said :i pair? of'Shaftireciprocatory elements-each' provided ivitlf tivo' Seriesofgearteeth-arid being movable along one of thef'sliaft'sof adjacent helicalelement to `effect rotation" of the-shaftalong' whichV it'V moves,Ymuti# lated* gear ivl'iels' carried by lsaid drivingv shaft, eachfSaid-miitilate'd gear Wliee'lsbeing adaptedt'be in and out of mesliwitha correpondingoiie of the Series'of raclc Yteeth of oneofsaidreciprcatory' elements;

anda gear Wl-ieelicr'iit'innarllyV in mesh withlr Y raclSofsai'd`rebiprcatory elements and be-` ing oper-able byeach ofsaidreciprocatory elements during its movement in one direction, foreffecting movement-of theotherlof j said reciprocatory elements inthe-opposite (.iirectionlV v .A

ln testimony whereof my hand;y

DANIEL WrNEGARDEN.

